HTTP 200 OK vs 505 HTTP Version Not Supported
HTTP 200 (OK) is a 2xx Success response, while 505 (HTTP Version Not Supported) is a 5xx Server Error response. 200 indicates that the request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only. In contrast, 505 means that the server does not support the HTTP version used in the request.
説明
The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
このコードが表示される場合
The most common HTTP response — indicates the request was processed successfully.
解決方法
No fix needed. The request succeeded as expected.
説明
The server does not support the HTTP version used in the request.
このコードが表示される場合
When a client uses an HTTP version the server doesn't support.
解決方法
Use a supported HTTP version (typically HTTP/1.1 or HTTP/2).
主な違い
200 is a 2xx Success response, while 505 is a 5xx Server Error response.
HTTP 200: The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
HTTP 505: The server does not support the HTTP version used in the request.
You encounter 200 when the most common HTTP response — indicates the request was processed successfully.
You encounter 505 when when a client uses an HTTP version the server doesn't support.
どちらをいつ使うか
For 200 (OK): No fix needed. The request succeeded as expected. For 505 (HTTP Version Not Supported): Use a supported HTTP version (typically HTTP/1.1 or HTTP/2).